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-rw-r--r--dom/heapsnapshot/tests/unit/test_HeapAnalyses_getDominatorTree_02.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/unit/test_HeapAnalyses_getDominatorTree_02.js b/dom/heapsnapshot/tests/unit/test_HeapAnalyses_getDominatorTree_02.js
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+++ b/dom/heapsnapshot/tests/unit/test_HeapAnalyses_getDominatorTree_02.js
@@ -0,0 +1,31 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test the HeapAnalyses{Client,Worker} "getDominatorTree" request with bad
+// dominator tree ids.
+
+function run_test() {
+ run_next_test();
+}
+
+const breakdown = {
+ by: "coarseType",
+ objects: { by: "count", count: true, bytes: true },
+ scripts: { by: "count", count: true, bytes: true },
+ strings: { by: "count", count: true, bytes: true },
+ other: { by: "count", count: true, bytes: true },
+};
+
+add_task(function* () {
+ const client = new HeapAnalysesClient();
+
+ let threw = false;
+ try {
+ yield client.getDominatorTree({ dominatorTreeId: 42, breakdown });
+ } catch (_) {
+ threw = true;
+ }
+ ok(threw, "should throw when given a bad id");
+
+ client.destroy();
+});